util_find_pid function

R function to find PID of active applications

Utility function to find PID of the working terminal.exe application Function is created to generate a system call to programmatically close any given application

util_find_pid(tasks_running = t_running, pid_pattern = "terminal.exe")

Arguments

• tasks_running: * string, vector with system tasks
• pid_pattern: * string, pattern value to search application with

Returns

string with system kill command to close selected application

Details

Function is executing a system command to get all processes running on the OS Retrieved data is cleaned and organized to filter on required process Function can also be used to track specific applications defined by the user

Examples

library(magrittr)
library(tibble)
library(stringr)
library(dplyr)

#library(readr)

dir <- normalizePath(tempdir(),winslash = "/")

#tasks_running <- system("tasklist", intern = TRUE)
#writeLines(tasks_running, con = file.path(dir,'tasks_running.txt'))
#t_running <- readLines(con = file.path(dir,'tasks_running.txt'))

tasks_list = system.file("extdata", "tasks_running.txt",
                  package = "lazytrade")

t_running <- readLines(con = tasks_list)

#generate task kill command for this application
util_find_pid(tasks_running = t_running,
              pid_pattern = 'terminal.exe')

util_find_pid(tasks_running = t_running,
              pid_pattern = 'chrome.exe')

Author(s)

(C) 2021 Vladimir Zhbanko